CN114123496A - Intelligent early warning device - Google Patents
Intelligent early warning device Download PDFInfo
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- CN114123496A CN114123496A CN202111339932.5A CN202111339932A CN114123496A CN 114123496 A CN114123496 A CN 114123496A CN 202111339932 A CN202111339932 A CN 202111339932A CN 114123496 A CN114123496 A CN 114123496A
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- 238000010248 power generation Methods 0.000 claims abstract description 13
- 230000009467 reduction Effects 0.000 claims abstract description 11
- 230000006641 stabilisation Effects 0.000 claims abstract description 11
- 238000011105 stabilization Methods 0.000 claims abstract description 11
- 238000004891 communication Methods 0.000 claims description 15
- 238000009434 installation Methods 0.000 claims description 12
- 230000005540 biological transmission Effects 0.000 description 13
- 238000010276 construction Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 240000007651 Rubus glaucus Species 0.000 description 2
- 235000011034 Rubus glaucus Nutrition 0.000 description 2
- 235000009122 Rubus idaeus Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000007405 data analysis Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000014509 gene expression Effects 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B3/00—Audible signalling systems; Audible personal calling systems
- G08B3/10—Audible signalling systems; Audible personal calling systems using electric transmission; using electromagnetic transmission
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
- H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/35—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E40/00—Technologies for an efficient electrical power generation, transmission or distribution
- Y02E40/70—Smart grids as climate change mitigation technology in the energy generation sector
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S10/00—Systems supporting electrical power generation, transmission or distribution
- Y04S10/12—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation
- Y04S10/123—Monitoring or controlling equipment for energy generation units, e.g. distributed energy generation [DER] or load-side generation the energy generation units being or involving renewable energy sources
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y04—INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
- Y04S—SYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
- Y04S40/00—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them
- Y04S40/12—Systems for electrical power generation, transmission, distribution or end-user application management characterised by the use of communication or information technologies, or communication or information technology specific aspects supporting them characterised by data transport means between the monitoring, controlling or managing units and monitored, controlled or operated electrical equipment
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
Abstract
The invention relates to an intelligent early warning device, which comprises a photovoltaic power generation assembly and a line early warning assembly, wherein the photovoltaic power generation assembly is connected with the line early warning assembly and provides electric energy for the line early warning assembly, the photovoltaic power generation assembly comprises a solar panel, a voltage reduction and stabilization module and a solar controller, the solar panel and the voltage reduction and stabilization module are respectively connected with the solar controller, the line early warning assembly comprises an outer shell, a control module, a rotating device, a scanning device and an alarm device, and the control module is respectively connected with the rotating device, the scanning device and the alarm device Low cost.
Description
Technical Field
The invention belongs to the technical field of operation and maintenance of power transmission lines, and particularly relates to an intelligent early warning device.
Background
The distribution range of the overhead transmission line is wide, the environment is complex, trip accidents caused by external force damage such as tree superelevation and large-scale mechanical construction in the current transmission channel are more and more frequent, and the external damage problem seriously influences the operation safety of the transmission line, so that the external damage problem is frequent or the point position is constructed for a long time, and the early warning work of the external damage of the transmission line is especially important.
In the prior art, the early warning of the external damage hidden trouble point generally adopts a manual guard mode, and has the defects of insufficient energy, off duty, incapability of guarding in full time, high cost and the like of guard personnel.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an intelligent early warning device which can send out early warning information timely and uninterruptedly when hidden dangers exceeding the safety height exist in a power transmission channel so that an operator can quickly eliminate the hidden dangers.
The technical problem to be solved by the invention is realized by adopting the following technical scheme:
an intelligent early warning device comprises a photovoltaic power generation component and a line early warning component, wherein the photovoltaic power generation component is connected with the line early warning component and provides electric energy for the line early warning component,
the photovoltaic power generation assembly comprises a solar panel, a voltage reduction and stabilization module and a solar controller, wherein the output end of the solar panel and the input end of the voltage reduction and stabilization module are respectively connected with the solar controller, the output end of the voltage reduction and stabilization module is connected with the line early warning assembly and is used for providing electric energy for the line early warning assembly,
the circuit early warning assembly comprises an outer shell, a control module, a rotating device, a scanning device and an alarming device, wherein the control module, the rotating device and the alarming device are arranged inside the outer shell, the scanning device is fixedly arranged at the top end of the outer shell, the lower end of the rotating device is fixedly connected with the inner wall of the bottom of the outer shell, the lower end of the alarming device is detachably connected with the top end of the rotating device, the control module is respectively connected with the rotating device, the scanning device and the alarming device, the scanning assembly is used for transmitting scanned data to the control module, and the control module is used for receiving the scanned data, calculating and processing the scanned data and then respectively sending out execution signals to the rotating assembly and the alarming device;
preferably, the rotating device comprises a steering engine body and a steering engine support, two ends of the steering engine body are detachably connected with the steering engine support, the bottom end of the steering engine support is fixedly connected with the inner wall of the bottom of the outer shell, and the steering engine body is connected with the control module;
preferably, the alarm device comprises an alarm platform and a loudspeaker, wherein a loudspeaker mounting through hole is formed in the alarm platform, the loudspeaker is in bolted connection with the alarm platform through the loudspeaker mounting through hole, and the loudspeaker is connected with the control module;
preferably, the alarm platform is provided with a steering engine local installation through hole and is connected with the top end of the steering engine body through the steering engine local installation through hole;
preferably, the scanning device comprises a radar communication box and a single-line laser radar, the single-line laser radar is connected with the radar communication box, the radar communication box is connected with the control module, and the radar communication box is used for receiving data sent by the single-line laser radar, converting the data and transmitting the data to the control module;
preferably, the solar controller is connected with a storage battery, and the storage battery is used for storing the residual electric energy of the solar panel;
preferably, the outer shell is a semi-open structure;
preferably, the alarm platform is of a circular structure.
The invention has the advantages and positive effects that:
compared with the prior art, the intelligent early warning device can perform uninterrupted 360-degree surface scanning at a limited height, can send out early warning information in time when the hidden danger of exceeding the safety height exists in a power transmission channel, has the characteristics of automatic adaptation to the environment, adjustable warning range and shape, uninterrupted, quick response, convenient installation and low cost, is suitable for being installed on a tower, is used for early warning of the height limitation of a whole-gear channel, is also suitable for temporary installation of construction hidden danger points, is used for early warning of the height limitation of construction, can change the way of early warning of external damage of the power transmission channel, greatly reduces the working strength of power transmission line operation and maintenance personnel, does not need personnel operation in the working process, saves manpower, and can also eliminate the problem of missing the external damage hidden danger due to insufficient energy or negligence of on duty personnel.
The early warning device can be used for early warning external broken hidden dangers of construction machinery, trees and the like exceeding the safety height, is simple in structure, free of excessive parts, convenient to transport and install on site, capable of quickly responding when the potential safety hazards are found, free of time difference when warning is given out, and capable of automatically adjusting the warning voice sending direction according to the position where the potential safety hazards exceeding the safety height are found.
The solar energy power supply system adopts a solar energy power supply mode, can continuously work without an external power supply, is not influenced by light rays, and can work at night by being provided with the storage battery.
The invention can flexibly set the size and the shape of the warning range by setting the parameters of the control module according to the field condition.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the line warning module of the present invention;
FIG. 2 is a schematic diagram of the connection of the alarm platform of the present invention;
FIG. 3 is a schematic view of the connection of the photovoltaic power generation assembly of the present invention;
FIG. 4 is a schematic diagram of the electrical connections of the control module of the present invention;
fig. 5 is a flowchart of the operation of the intelligent early warning device of the present invention.
Wherein, 1, solar panel; 2. an outer housing; 3. a steering engine bracket; 4. an alarm platform; 5. a loudspeaker; 6. a single line laser radar; 31. a through hole is formed in the steering engine local; 41. the loudspeaker is installed the through-hole.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The invention provides an intelligent early warning device, as shown in figures 1 to 3, comprising a photovoltaic power generation component and a line early warning component, wherein the photovoltaic power generation component is connected with the line early warning component and provides electric energy for the line early warning component,
the photovoltaic power generation assembly comprises a solar panel 1, a voltage reduction and stabilization module and a solar controller, wherein the output end of the solar panel 1 and the input end of the voltage reduction and stabilization module are respectively connected with the solar controller, the output end of the voltage reduction and stabilization module is connected with the line early warning assembly and is used for providing electric energy for the line early warning assembly,
the circuit early warning assembly comprises an outer shell 2, a control module, a rotating device, a scanning device and an alarming device, wherein the control module, the rotating device and the alarming device are arranged inside the outer shell 2, the scanning device is fixedly arranged at the top end of the outer shell 2, the low end of the rotating device is fixedly connected with the inner wall of the bottom of the outer shell 2, the low end of the alarming device is detachably connected with the top end of the rotating device, the control module is respectively connected with the rotating device, the scanning device and the alarming device, the scanning assembly is used for transmitting scanned data to the control module, and the control module is used for receiving the scanned data, operating and processing the scanned data and then respectively sending out an execution signal to the rotating assembly and the alarming device.
When the scanning module is used, when the scanning assembly scans the surrounding environment for 360 degrees, scanning data are sent to the control module, the control module adopts a raspberry group to carry on a linux system, after the data of the scanning assembly are received, the data are analyzed and processed, according to a data analysis result, if no obstacle is found, the scanning assembly is required to continue scanning, if the obstacle is found, the scanning assembly stops scanning, the control module outputs PWM waves to the rotating assembly to control the rotating assembly to execute rotating action, so that the alarm device is driven to adjust the direction, meanwhile, the control module plays voice alarm information through the alarm device, and after the playing is finished, the next round of scanning is continued.
In this embodiment, the rotating device comprises a steering engine body and a steering engine support 3, two ends of the steering engine body are detachably connected with the steering engine support 3, the bottom end of the steering engine support 3 is fixedly connected with the inner wall of the bottom of the outer shell 2, the steering engine body is connected with the control module, and the control module outputs a PWM wave to the rotating assembly to control the rotating assembly to execute a rotating action.
In this embodiment, alarm device includes warning platform 4 and megaphone 5, be provided with megaphone installation through-hole 41 on the warning platform 4, megaphone 5 passes through megaphone installation through-hole 41 with 4 bolted connection on the warning platform, megaphone 5 with control module connects, through control module to megaphone 5 output alarm signal is in order to control megaphone 5 carries out the broadcast warning pronunciation.
In this embodiment, be provided with steering wheel local installation through-hole 31 on warning platform 4, warning platform 4 passes through steering wheel local installation through-hole 31 and the top bolted connection of steering wheel body.
In this embodiment, scanning device includes radar communication box and single line laser radar 6, single line laser radar 6 with radar communication box connects, radar communication box with control module connects, single line laser radar 6 with the signal transmission of scanning extremely radar communication box, radar communication box with after the data conversion transmission extremely control module, radar communication box adopts UDP unicast mode, can guarantee single line laser radar 6 with the real-time of control module transmission.
In this embodiment, the solar controller is connected with a storage battery, the storage battery is used for storing the energy of the residual electric energy of the solar panel 1, and when the solar panel 1 cannot provide the electric energy, the electric energy of the storage battery can be continuously supplied.
In the present embodiment, the outer casing 2 has a semi-open structure.
In this embodiment, the alarm platform 4 has a circular structure.
During actual operation, through single line laser radar 6 can carry out 360 degrees incessant scans to on-the-spot specific range, in scanning range, can accurately discover potential safety hazards such as construction machinery that exceed the relief height, and data output mode is: the working scheme of the device adopts a TOF mode to perform two-dimensional scanning detection on the surrounding environment, so that two-dimensional plane information of the surrounding 360 environments in the measuring range can be obtained, the scanning precision is 0.18 degrees, the measuring distance precision is 3cm,
the single-line laser radar 6 adopts a UDP communication mode, sends information obtained by scanning to the control module, the control module adopts a raspberry group to carry a linux system, analyzes and processes the information, controls the steering engine body to rotate according to an analysis result, further drives the loudspeaker 5 to adjust the direction through the matching of the steering engine support 3 and the alarm platform 4, and after the direction adjustment is finished, the control module outputs warning information to the loudspeaker 5, and the loudspeaker 5 is responsible for broadcasting the warning information.
In this embodiment, as shown in fig. 5, the work flow of the present invention is mainly divided into three steps:
setting scanning parameters, determining the shape and size of the scanning range,
and initializing to record the site inherent environment, eliminate the influence of the barrier without threat to the power transmission line and realize the environment self-adaption function.
And warning scanning, namely performing continuous 360-degree scanning on the environment in a set range, and warning hidden dangers of construction machinery and the like which violate the safe distance of the power transmission line.
When hidden danger is found, the control center sends out an instruction to enable the steering engine to rotate so as to adjust the direction of the loudspeaker and play warning information
After the warning is sent, the warning scanning is continued.
Unless specifically stated otherwise, the relative steps, numerical expressions, and values of the components and steps set forth in these embodiments do not limit the scope of the present invention.
It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the system and the apparatus described above may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.
In summary, the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can propose other embodiments within the technical teaching of the present invention, but these embodiments are included in the scope of the present invention.
It should be emphasized that the embodiments described herein are illustrative and not restrictive, and thus the present invention includes embodiments that are not limited to the embodiments described in the detailed description, and that other embodiments derived from the teachings of the present invention by those skilled in the art are also within the scope of the present invention.
Claims (8)
1. An intelligent early warning device, its characterized in that: comprises a photovoltaic power generation component and a line early warning component, wherein the photovoltaic power generation component is connected with the line early warning component and provides electric energy for the line early warning component,
the photovoltaic power generation assembly comprises a solar panel, a voltage reduction and stabilization module and a solar controller, wherein the output end of the solar panel and the input end of the voltage reduction and stabilization module are respectively connected with the solar controller, the output end of the voltage reduction and stabilization module is connected with the circuit early warning assembly and is used for providing electric energy for the circuit early warning assembly,
the circuit early warning assembly comprises an outer shell, a control module, a rotating device, a scanning device and an alarming device, wherein the control module, the rotating device and the alarming device are arranged inside the outer shell, the scanning device is fixedly arranged at the top end of the outer shell, the low end of the rotating device is fixedly connected with the inner wall of the bottom of the outer shell, the low end of the alarming device is detachably connected with the top end of the rotating device, the control module is respectively connected with the rotating device, the scanning device and the alarming device, the scanning assembly is used for transmitting scanned data to the control module, and the control module is used for receiving the scanned data, calculating and processing the scanned data and then respectively sending out execution signals to the rotating assembly and the alarming device.
2. The intelligent warning device of claim 1, wherein: the rotating device comprises a steering engine body and a steering engine support, the two ends of the steering engine body are detachably connected with the steering engine support, the bottom end of the steering engine support is fixedly connected with the inner wall of the bottom of the outer shell, and the steering engine body is connected with the control module.
3. The intelligent warning device of claim 1, wherein: alarm device is including warning platform and megaphone, be provided with megaphone installation through-hole on the warning platform, the megaphone passes through megaphone installation through-hole with warning platform bolted connection, the megaphone with control module connects.
4. The intelligent warning device of claim 2, wherein: the alarm platform is provided with a steering engine local installation through hole and is connected with the top end of the steering engine body through the steering engine local installation through hole.
5. The intelligent warning device of claim 1, wherein: the scanning device comprises a radar communication box and a single-line laser radar, the single-line laser radar is connected with the radar communication box, the radar communication box is connected with the control module, and the radar communication box is used for receiving data sent by the single-line laser radar and transmitting the data to the control module after converting the data.
6. The intelligent warning device of claim 1, wherein: the solar controller is connected with a storage battery, and the storage battery is used for storing the residual electric energy of the solar panel.
7. The intelligent warning device of claim 1, wherein: the shell body is of a semi-open structure.
8. The intelligent warning device of claim 3, wherein: the alarm platform is of a circular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111339932.5A CN114123496A (en) | 2021-11-12 | 2021-11-12 | Intelligent early warning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111339932.5A CN114123496A (en) | 2021-11-12 | 2021-11-12 | Intelligent early warning device |
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| Publication Number | Publication Date |
|---|---|
| CN114123496A true CN114123496A (en) | 2022-03-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111339932.5A Pending CN114123496A (en) | 2021-11-12 | 2021-11-12 | Intelligent early warning device |
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| CN (1) | CN114123496A (en) |
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- 2021-11-12 CN CN202111339932.5A patent/CN114123496A/en active Pending
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